DE69529559D1 - Halbduplexfunkgerät mit niedriger Dämpfung des Sendesignals - Google Patents
Halbduplexfunkgerät mit niedriger Dämpfung des SendesignalsInfo
- Publication number
- DE69529559D1 DE69529559D1 DE69529559T DE69529559T DE69529559D1 DE 69529559 D1 DE69529559 D1 DE 69529559D1 DE 69529559 T DE69529559 T DE 69529559T DE 69529559 T DE69529559 T DE 69529559T DE 69529559 D1 DE69529559 D1 DE 69529559D1
- Authority
- DE
- Germany
- Prior art keywords
- transmission signal
- low attenuation
- duplex radio
- duplex
- radio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
- H04B7/0805—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
- H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/434,763 US5701595A (en) | 1995-05-04 | 1995-05-04 | Half duplex RF transceiver having low transmit path signal loss |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69529559D1 true DE69529559D1 (de) | 2003-03-13 |
DE69529559T2 DE69529559T2 (de) | 2003-11-20 |
Family
ID=23725583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69529559T Expired - Fee Related DE69529559T2 (de) | 1995-05-04 | 1995-07-27 | Halbduplexfunkgerät mit niedriger Dämpfung des Sendesignals |
Country Status (5)
Country | Link |
---|---|
US (1) | US5701595A (de) |
EP (1) | EP0741463B1 (de) |
JP (1) | JPH08307306A (de) |
CA (1) | CA2155093C (de) |
DE (1) | DE69529559T2 (de) |
Families Citing this family (74)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08330996A (ja) * | 1995-05-30 | 1996-12-13 | Sony Corp | アンテナ共用器 |
US5815803A (en) * | 1996-03-08 | 1998-09-29 | The United States Of America As Represented By The Secretary Of The Navy | Wideband high isolation circulatior network |
JP3309271B2 (ja) * | 1996-07-09 | 2002-07-29 | 京セラ株式会社 | 携帯端末 |
US5923647A (en) * | 1996-09-06 | 1999-07-13 | Ericsson Inc. | Circulator usage in time division duplex radios |
KR19980065967A (ko) * | 1997-01-17 | 1998-10-15 | 김광호 | 시스템 성능 개선을 위한 다중채널 시분할교신방식의 신호 송수신 장치 |
US6067448A (en) * | 1997-03-07 | 2000-05-23 | The United States Of America As Represented By The Secretary Of The Navy | System and method for isolating radio frequency signals |
JPH10303830A (ja) * | 1997-04-23 | 1998-11-13 | Oki Electric Ind Co Ltd | 無線装置の内部折り返し試験回路 |
US5963144A (en) * | 1997-05-30 | 1999-10-05 | Single Chip Systems Corp. | Cloaking circuit for use in a radiofrequency identification and method of cloaking RFID tags to increase interrogation reliability |
JPH118577A (ja) * | 1997-06-17 | 1999-01-12 | Saitama Nippon Denki Kk | 無線機 |
US6567647B1 (en) * | 1998-03-26 | 2003-05-20 | Ericsson Inc. | Low noise radio frequency transceivers including circulators |
US6957047B1 (en) * | 1999-02-18 | 2005-10-18 | Ydi Wireless, Inc. | Bi-directional switched RF amplifier, waterproof housing, electrostatic overvoltage protection device, and mounting bracket therefor |
SE514436C2 (sv) | 1999-06-18 | 2001-02-26 | Ericsson Telefon Ab L M | Arrangemang i ett radiosystem |
US6226275B1 (en) | 1999-08-25 | 2001-05-01 | Utstarcom, Inc. | Wide band high power ultralinear RF transreceiver |
US6313713B1 (en) | 1999-09-28 | 2001-11-06 | The United States Of America As Represented By The Secretary Of The Navy | Matched pair circulator antenna isolation circuit |
US6934562B1 (en) * | 1999-10-08 | 2005-08-23 | Bellsouth Intellectual Property Corporation | System for coupling a mobile radio service base station to an antenna |
US6792289B1 (en) * | 1999-11-08 | 2004-09-14 | Qualcomm Incorporated | Non-bandlimiting antenna sharing method and apparatus for base stations |
KR100360895B1 (ko) * | 1999-11-23 | 2002-11-13 | 주식회사 텔웨이브 | 서큘레이터를 이용한 송/수신부 결합 시스템 및 그의송신신호 소거방법 |
US6591086B1 (en) | 2000-04-24 | 2003-07-08 | Telaxis Communications Corporation | Enhanced time division duplexing (TDD) transceiver circuitry |
US6704352B1 (en) * | 2000-05-04 | 2004-03-09 | Samsung Electronics Co., Ltd. | High accuracy receiver forward and reflected path test injection circuit |
GB2365268B (en) * | 2000-07-28 | 2002-10-09 | Motorola Israel Ltd | Antenna switch |
FI20002882A (fi) * | 2000-12-29 | 2002-06-30 | Nokia Corp | Järjestely antennin sovittamiseksi |
DE10100152A1 (de) * | 2001-01-03 | 2002-07-04 | Siemens Ag | Sendevorrichtung |
TW531980B (en) | 2001-02-26 | 2003-05-11 | Matsushita Electric Ind Co Ltd | Communication card and communication machine |
US7164329B2 (en) | 2001-04-11 | 2007-01-16 | Kyocera Wireless Corp. | Tunable phase shifer with a control signal generator responsive to DC offset in a mixed signal |
US7746292B2 (en) | 2001-04-11 | 2010-06-29 | Kyocera Wireless Corp. | Reconfigurable radiation desensitivity bracket systems and methods |
US7221243B2 (en) | 2001-04-11 | 2007-05-22 | Kyocera Wireless Corp. | Apparatus and method for combining electrical signals |
US6690251B2 (en) | 2001-04-11 | 2004-02-10 | Kyocera Wireless Corporation | Tunable ferro-electric filter |
US7394430B2 (en) | 2001-04-11 | 2008-07-01 | Kyocera Wireless Corp. | Wireless device reconfigurable radiation desensitivity bracket systems and methods |
US7154440B2 (en) | 2001-04-11 | 2006-12-26 | Kyocera Wireless Corp. | Phase array antenna using a constant-gain phase shifter |
US7174147B2 (en) | 2001-04-11 | 2007-02-06 | Kyocera Wireless Corp. | Bandpass filter with tunable resonator |
US6925312B2 (en) | 2001-09-17 | 2005-08-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Sharing of antennas by base station nodes of telecommunications network |
US7071776B2 (en) | 2001-10-22 | 2006-07-04 | Kyocera Wireless Corp. | Systems and methods for controlling output power in a communication device |
US7176845B2 (en) | 2002-02-12 | 2007-02-13 | Kyocera Wireless Corp. | System and method for impedance matching an antenna to sub-bands in a communication band |
US7180467B2 (en) * | 2002-02-12 | 2007-02-20 | Kyocera Wireless Corp. | System and method for dual-band antenna matching |
US7184727B2 (en) | 2002-02-12 | 2007-02-27 | Kyocera Wireless Corp. | Full-duplex antenna system and method |
KR20030091157A (ko) * | 2002-05-24 | 2003-12-03 | 엘지전자 주식회사 | 아이솔레이터 내장형 듀플렉서 |
US7260424B2 (en) | 2002-05-24 | 2007-08-21 | Schmidt Dominik J | Dynamically configured antenna for multiple frequencies and bandwidths |
DE10233123A1 (de) * | 2002-07-20 | 2004-02-05 | Philips Intellectual Property & Standards Gmbh | Einrichtung zur dynamischen Anpassung der Impedanz zwischen einem Leistungsverstärker und einer Antenne |
JP4345280B2 (ja) * | 2002-09-18 | 2009-10-14 | 日本電気株式会社 | 無線通信装置及びそれを用いた無線通信システム |
GB2395843B (en) * | 2002-11-29 | 2006-04-26 | Motorola Inc | Wireless subscriber communication unit and antenna arrangement therefor |
EP1445830A1 (de) * | 2003-02-05 | 2004-08-11 | Sony Ericsson Mobile Communications AB | Antennenschaltung mit einer wirkungsvollen Abstrahlung |
US7236758B1 (en) * | 2003-02-07 | 2007-06-26 | Femto Devices, Inc. | Integrated wireless multimedia integrated circuit |
US7072620B2 (en) * | 2003-04-03 | 2006-07-04 | Kyocera Wireless Corp. | System and method for regulating antenna electrical length |
DE10315744B4 (de) * | 2003-04-04 | 2007-05-31 | Sennheiser Electronic Gmbh & Co. Kg | Mikrofon mit HF-Sender |
US7720443B2 (en) | 2003-06-02 | 2010-05-18 | Kyocera Wireless Corp. | System and method for filtering time division multiple access telephone communications |
US7373115B2 (en) * | 2004-05-13 | 2008-05-13 | Samsung Electronics Co., Ltd. | Apparatus for transmit and receive switching in a time-division duplexing wireless network |
US7248845B2 (en) | 2004-07-09 | 2007-07-24 | Kyocera Wireless Corp. | Variable-loss transmitter and method of operation |
KR100668653B1 (ko) * | 2004-08-18 | 2007-01-12 | 한국전자통신연구원 | 시분할 이중화 방식의 무선 시스템에서의 송수신 신호분리 장치 및 그 방법 |
KR20060082341A (ko) * | 2005-01-12 | 2006-07-18 | 주식회사 팬택 | 클램핑 회로를 이용한 반사신호 감쇠 기능을 가지는무선통신 단말기 및 그 방법 |
US9780437B2 (en) | 2005-06-22 | 2017-10-03 | Michael E. Knox | Antenna feed network for full duplex communication |
WO2007002273A2 (en) * | 2005-06-22 | 2007-01-04 | Knox Michael E | Antenna feed network for full duplex communication |
US8111640B2 (en) | 2005-06-22 | 2012-02-07 | Knox Michael E | Antenna feed network for full duplex communication |
EP1739847A3 (de) * | 2005-07-01 | 2007-09-19 | Samsung Electronics Co., Ltd. | Sende-Empfangs-Antennenumschalter in einem TDD-Funkkommunikationssystem |
US7548762B2 (en) | 2005-11-30 | 2009-06-16 | Kyocera Corporation | Method for tuning a GPS antenna matching network |
US7499681B2 (en) * | 2005-12-22 | 2009-03-03 | Kyocera Wireless Corp. | Apparatus, system, and method for managing an antenna network during a half duplex call |
KR100780419B1 (ko) * | 2006-09-27 | 2007-11-29 | 주식회사 케이엠더블유 | 고주파 스위치 |
DE102006046190B4 (de) | 2006-09-29 | 2016-09-01 | Intel Deutschland Gmbh | Schaltungsanordnung, Verfahren zum Betreiben einer Schaltungsanordnung und Verfahren zum Betreiben eines Dual-Mode-UMTS/GSM-Mobiltelefons |
CN101523225B (zh) * | 2006-10-17 | 2013-06-05 | 艾利森电话股份有限公司 | 射频处理装置 |
US7738539B2 (en) * | 2006-12-01 | 2010-06-15 | Sony Ericsson Mobile Communications Ab | Current consumption reduction with low power amplifier |
JP4264101B2 (ja) * | 2006-12-08 | 2009-05-13 | 株式会社東芝 | フィルタ回路および無線通信装置 |
US8750173B2 (en) | 2006-12-29 | 2014-06-10 | Mode-1 Corporation | High isolation signal routing assembly for full duplex communication |
WO2008082638A1 (en) * | 2006-12-29 | 2008-07-10 | Knox Michael E | High isolation signal routing assembly for full duplex communication |
JP4882815B2 (ja) * | 2007-03-20 | 2012-02-22 | 日本電気株式会社 | 移動通信装置 |
JP4889578B2 (ja) * | 2007-06-19 | 2012-03-07 | 株式会社エヌ・ティ・ティ・ドコモ | 移動端末 |
JP2009284192A (ja) * | 2008-05-22 | 2009-12-03 | Fujitsu Ltd | 利得温度補償回路 |
JP5282685B2 (ja) * | 2009-07-08 | 2013-09-04 | 富士通株式会社 | Tdd方式送受信装置 |
JP2011055078A (ja) * | 2009-08-31 | 2011-03-17 | Nec Corp | 時分割多重無線システム及びその反射信号減衰方法 |
US8330651B2 (en) * | 2009-11-23 | 2012-12-11 | Honeywell International Inc. | Single-antenna FM/CW marine radar |
WO2011111219A1 (ja) * | 2010-03-12 | 2011-09-15 | 富士通株式会社 | 無線通信装置および反射波取得方法 |
US9048913B2 (en) * | 2010-07-06 | 2015-06-02 | Google Inc. | Method and apparatus for adaptive control of transmit diversity to provide operating power reduction |
JP5400855B2 (ja) * | 2011-10-28 | 2014-01-29 | 株式会社Nttドコモ | 移動端末及びアンテナ制御方法 |
CN107078369A (zh) | 2014-09-25 | 2017-08-18 | 株式会社村田制作所 | 前端电路及通信装置 |
US9787460B2 (en) | 2015-07-16 | 2017-10-10 | LGS Innovations LLC | Self-interference channel estimation system and method |
WO2019110082A1 (en) * | 2017-12-04 | 2019-06-13 | Huawei Technologies Co., Ltd. | Radio frequency front end for wireless communication |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2890328A (en) * | 1954-09-08 | 1959-06-09 | Bell Telephone Labor Inc | Non-reciprocal wave transmission |
GB1046124A (en) * | 1963-10-09 | 1966-10-19 | Ferranti Ltd | Improvements relating to radar systems |
US3739302A (en) * | 1971-06-01 | 1973-06-12 | Trak Microwave Corp | Miniaturized ferrimagnetic circulator for microwaves |
US4361905A (en) * | 1980-11-10 | 1982-11-30 | General Electric Company | Arrangement for connecting selected antennas to a radio for transmitting and receiving |
US4380822A (en) * | 1981-11-02 | 1983-04-19 | Motorola, Inc. | Transmit-receive switching circuit for radio frequency circulators |
US5022742A (en) * | 1983-10-03 | 1991-06-11 | The United States Of America As Represented By The Secretary Of The Navy | Fast shutter for protection from electromagnetic radiation |
JPS6288443A (ja) * | 1985-10-14 | 1987-04-22 | Mitsubishi Electric Corp | アンテナ装置 |
JPS62102629A (ja) * | 1985-10-29 | 1987-05-13 | Mitsubishi Electric Corp | アンテナ装置 |
JPH02209024A (ja) * | 1989-02-09 | 1990-08-20 | Seiko Epson Corp | アンテナ共用器 |
US5093667A (en) * | 1989-10-16 | 1992-03-03 | Itt Corporation | T/R module with error correction |
FR2669145B1 (fr) * | 1990-11-09 | 1994-02-11 | Thomson Tubes Electroniques | Canon a electrons module par commutation optoelectronique. |
JPH04271621A (ja) * | 1991-02-27 | 1992-09-28 | Mitsubishi Electric Corp | アンテナ切換装置 |
WO1993000573A1 (en) * | 1991-06-25 | 1993-01-07 | Endress & Hauser Gmbh & Co. | Interface level detector |
US5453154A (en) * | 1991-10-21 | 1995-09-26 | National Semiconductor Corporation | Method of making an integrated circuit microwave interconnect and components |
FR2696887B1 (fr) * | 1992-10-09 | 1994-11-18 | Thomson Lgt | Amplificateur de puissance large bande haute fréquence. |
JP3359944B2 (ja) * | 1992-10-22 | 2002-12-24 | 株式会社日立国際電気 | 無線送受信機 |
SE513813C2 (sv) * | 1993-02-05 | 2000-11-06 | Ericsson Ge Mobile Communicat | Anordning med SAW-filter för duplexöverföring |
US5347241A (en) * | 1993-02-08 | 1994-09-13 | Hughes Aircraft Company | Dual junction back-to-back microstrip four-port circulators |
US5374589A (en) * | 1994-04-05 | 1994-12-20 | The United States Of America As Represented By The Secretary Of The Navy | Process of making a bistable photoconductive component |
-
1995
- 1995-05-04 US US08/434,763 patent/US5701595A/en not_active Expired - Fee Related
- 1995-07-27 EP EP95305234A patent/EP0741463B1/de not_active Expired - Lifetime
- 1995-07-27 DE DE69529559T patent/DE69529559T2/de not_active Expired - Fee Related
- 1995-07-31 CA CA002155093A patent/CA2155093C/en not_active Expired - Fee Related
-
1996
- 1996-03-01 JP JP8045099A patent/JPH08307306A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0741463B1 (de) | 2003-02-05 |
CA2155093C (en) | 2000-12-12 |
EP0741463A3 (de) | 1999-03-31 |
DE69529559T2 (de) | 2003-11-20 |
EP0741463A2 (de) | 1996-11-06 |
US5701595A (en) | 1997-12-23 |
JPH08307306A (ja) | 1996-11-22 |
CA2155093A1 (en) | 1996-11-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8339 | Ceased/non-payment of the annual fee |